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King
 5 years ago
xy+x+y=13
yz+y+z=9
xz+x+z=5
Find x,y,z.
King
 5 years ago
xy+x+y=13 yz+y+z=9 xz+x+z=5 Find x,y,z.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0x(y+1) + y = 13 so x = (13 y)/(y+1)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0substitute that in for x, and the rest is just a simple 2 equations with 2 unknown variable problem

King
 5 years ago
Best ResponseYou've already chosen the best response.0please wait.....lemme try...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can you be more clear? post your work

King
 5 years ago
Best ResponseYou've already chosen the best response.0wait i got (13z13yzy)/y+1 +z=5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok use equation 2 now: y(z+1) + z = 9 so y = (9z)/(z+1) plug that in for y

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok. that is a quadratic equation. solve it

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0now substitute for z in the other equations

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(for simplicity's sake, substitute into the original equations)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0there you go. That's it!

King
 5 years ago
Best ResponseYou've already chosen the best response.0thnx....ure awesome!!!!!!!!!!!!!
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